<template>
    <div>
        <city-header></city-header>
        <city-search :cities='cities'></city-search>
        <city-list :cities='cities' :hot='hotCities' :letter='letter'></city-list>
        <!-- 监听change事件 -->
        <city-alphabet :cities='cities' @change="handleLetterChange"></city-alphabet>
    </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/Header.vue'
import CitySearch from './components/Search.vue'
import CityList from './components/List.vue'
import CityAlphabet from './components/Alphabet.vue'
export default {
  name: 'City',
  components: {
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  data () {
    return {
      cities: {},
      hotCities: [],
      letter: ''
    }
  },
  methods: {
    getCityInfo () {
      // axios.get('/api/city.json')
      axios.get('/travel/static/mock/city.json')
        .then((res) => {
          res = res.data
          if (res.ret && res.data) {
            const data = res.data
            this.cities = data.cities
            this.hotCities = data.hotCities
          }
        })
    },
    handleLetterChange (letter) {
      this.letter = letter
    }
  },
  mounted () {
    this.getCityInfo()
  }
}
</script>

<style>
* { touch-action: pan-y; }
</style>
